142573353617 has 2 divisors, whose sum is σ = 142573353618. Its totient is φ = 142573353616.

The previous prime is 142573353607. The next prime is 142573353677. The reversal of 142573353617 is 716353375241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141585885841 + 987467776 = 376279^2 + 31424^2 .

It is a cyclic number.

It is not a de Polignac number, because 142573353617 - 2¹² = 142573349521 is a prime.

It is a super-2 number, since 2×142573353617² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142573353607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71286676808 + 71286676809.

It is an arithmetic number, because the mean of its divisors is an integer number (71286676809).

Almost surely, 2^142573353617 is an apocalyptic number.

It is an amenable number.

142573353617 is a deficient number, since it is larger than the sum of its proper divisors (1).

142573353617 is an equidigital number, since it uses as much as digits as its factorization.

142573353617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 47.

The spelling of 142573353617 in words is "one hundred forty-two billion, five hundred seventy-three million, three hundred fifty-three thousand, six hundred seventeen".